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3130434 = 233291999
BaseRepresentation
bin1011111100010001000010
312220001011000
423330101002
51300133214
6151032430
735415426
oct13742102
95801130
103130434
111848a3a
12106b716
13857b38
145b6b86
1541c809
hex2fc442

3130434 has 32 divisors (see below), whose sum is σ = 7200000. Its totient is φ = 1006992.

The previous prime is 3130429. The next prime is 3130451. The reversal of 3130434 is 4340313.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (225000).

Almost surely, 23130434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3130434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3600000).

3130434 is an abundant number, since it is smaller than the sum of its proper divisors (4069566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3130434 is a wasteful number, since it uses less digits than its factorization.

3130434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2033 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3130434 is about 1769.3032526958. The cubic root of 3130434 is about 146.2855797721.

Adding to 3130434 its reverse (4340313), we get a palindrome (7470747).

The spelling of 3130434 in words is "three million, one hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 29 54 58 87 174 261 522 783 1566 1999 3998 5997 11994 17991 35982 53973 57971 107946 115942 173913 347826 521739 1043478 1565217 3130434